Conversion did not erase Jól. The name remained in use, and drinking is attested both before and after conversion, while later medieval sources preserve a much richer Christian form of the festival.
But continuity of a name or practice is not automatically continuity of meaning.
That distinction matters throughout this comparison. A practice can appear on both sides of conversion without surviving unchanged. It may acquire a new religious setting, new legal structure, new social meaning, or a different place within the calendar. Conversely, a practice strongly visible in Christian Jól may have existed earlier without our having enough evidence to demonstrate it.
The safest comparison therefore separates four different possibilities:
Some features are visible on both sides of conversion. Drinking is the strongest example. It belongs to the earliest Jól evidence and remains prominent in Christian medieval sources.
Some features are securely attested only in Christian forms. Extended holy periods, numbered Jól days, work restrictions, and other legal structures belong firmly to the Christian evidence and should not be projected backward.
Some practices may cross the conversion boundary, but the evidence cannot prove direct continuity. Feasting, hospitality, visiting, gifts, provisioning, and large gatherings are richly represented in later sources and sometimes appear in narratives set in the pagan past, but their precise antiquity and development remain uncertain.
Other elements belong only to particular traditions and should never be treated as universal markers of continuity. Blót, ritual drinking, vows, the sónargǫltr, the bragarfull, and individual divine associations all require source-specific treatment.
This comparison therefore is not an attempt to decide whether Jól was fundamentally “pagan” or “Christian.” It asks a narrower historical question:
What can the surviving evidence actually show us about continuity, transformation, and difference across the conversion period?
The answer will sometimes be continuity, sometimes change, and sometimes simply we do not know.
What Appears to Continue
The clearest linguistic continuity across conversion is the name Jól itself. It remains a recognizable seasonal and calendrical term in both pre-Christian and Christian evidence.
Drinking provides the strongest behavioral continuity. Early poetry associates Jól with drinking, while Christian medieval sources continue to place drinking prominently within the period. That allows us to say with confidence that drinking is attested on both sides of the conversion boundary.
What it does not allow us to say is that the drinking remained unchanged in meaning, form, or religious purpose. The early evidence does not give us one complete pagan drinking ritual, and the Christian evidence includes explicitly Christian festival drinking. Ágrip is especially important because it distinguishes earlier blót and blótdrykkjur from the Christian festive drinking that replaced them. That is evidence for transformation across conversion within a broader continuity of seasonal drinking: drinking remains associated with Jól, but its religious framework need not remain the same.
Jól also remains a socially significant winter occasion across the evidence. Later sources repeatedly associate it with gathering, hospitality, feasting, travel, and exchange, and some retrospective narratives place similar practices in the pagan past. These patterns make broader social continuity plausible, but not equally secure. Unlike drinking, most of these practices lack the same strength of early evidence.
The safest conclusion is therefore deliberately uneven:
The continuity of the name Jól is clear. Drinking is securely attested both before and after conversion. Broader continuity in feasting, hospitality, visiting, gifts, and social gathering is plausible, but less directly demonstrable.
Even in the strongest cases, continuity should not be confused with sameness. A familiar practice could remain part of Jól while its religious meaning, social function, legal setting, or place within the festival changed around it.
What Changes
The clearest changes are not necessarily practices that can be proven to have been newly invented after conversion. Rather, they are features that become securely visible in specifically Christian forms.
The strongest examples come from the legal evidence. Christian Jól could be treated as an extended holy period with numbered days, differentiated observance, and work restrictions. These structures are clearly attested in Christian law, but they should not be projected backward as though they described the organization of pre-Christian Jól.
The religious framework of drinking could also change. Ágrip presents earlier blót and blótdrykkjur as abolished and replaced with Christian festive drinking. That does not prove that every Christian Jól drinking practice developed directly from a pagan rite, but it does show that medieval authors could represent conversion as involving a reordering of religious drinking.
The same principle applies more broadly. A familiar seasonal practice might remain while its surrounding religious system changes. Jól could still involve drinking, gathering, or feasting, while the holy days, legal obligations, religious interpretation, and calendrical structure around those activities became explicitly Christian.
What we can say securely is therefore narrower than “Christianity replaced pagan Jól with a completely different festival.” The name persisted, and some activities appear on both sides of conversion. But the institutional and religious framework in which those activities occurred could change substantially.
This is why the Christian evidence should be allowed to remain Christian evidence. Extended jólahelgi, numbered days, work restrictions, and explicitly Christian festival observance are not simply better-documented versions of pagan customs. They belong securely to the Christian medieval form of Jól unless independent evidence shows otherwise.
What Might Continue, but Cannot Be Proven
Several important features of medieval Jól are plausible candidates for continuity across conversion, but the surviving evidence does not let us demonstrate that continuity with the same confidence as drinking.
The strongest examples are feasting, hospitality, visiting, gift-giving, provisioning, and larger social gatherings. These practices are richly represented in Christian medieval sources, and some retrospective narratives also place them in settings represented as pre-Christian. That makes continuity possible—and in some cases historically plausible—but not securely demonstrable.
The problem is chronological. Much of the evidence for these practices comes from texts written long after conversion. A saga may describe a pagan-age Jól feast, guest stay, journey, or gift exchange, but that still tells us what a medieval author or tradition associated with the pagan past. Without earlier corroboration, it cannot by itself prove that the practice had actually remained unchanged across the conversion period.
This is especially important for customs that feel intuitively “traditional.” Feasting, visiting relatives or allies, hosting guests, preparing large quantities of food and drink, and exchanging gifts all fit naturally within a winter festival. That plausibility should not be confused with proof.
The evidence therefore allows a middle position:
These practices do not need to be treated as exclusively Christian, but neither can they be claimed as demonstrated survivals from pre-Christian Jól.
They belong to the category of historically plausible continuity—supported by later medieval practice and, in some cases, retrospective representation—but not securely anchored on both sides of conversion by independent contemporary evidence.
That distinction is important because it keeps uncertainty visible. A practice may genuinely be old even when the surviving sources cannot prove its antiquity. Historical reconstruction should leave room for that possibility without turning possibility into fact.
What Should Not Be Projected Across Conversion
Some features of Jól are securely attested in one historical setting, or belong to particular literary traditions, and should not be carried across the conversion boundary simply because they appear elsewhere in the evidence.
The clearest example is the Christian thirteen-day framework. Christian legal sources preserve extended and internally differentiated Jól periods, but those structures do not establish that pre-Christian Jól lasted thirteen days or followed the same numbered sequence.
The same caution applies in the opposite direction. Later narratives can place blót, ceremonial drinking, vows, the sónargǫltr, the bragarfull, or particular divine associations within pagan Jól settings. Those traditions matter, but they do not establish that such elements survived into Christian Jól as unchanged practices, nor do they make them universal features of pagan Jól.
Religious vocabulary should also remain controlled. Jól and miðsvetrarblót may overlap in particular narratives, but they are not demonstrated synonyms. Likewise, ordinary drinking at Jól should not automatically be called blótdrykkjur, and Christian festival drinking should not be treated as pagan sacrificial drinking under another name.
Timing presents another danger. Snorri’s account of an older Jól beginning at miðsvetrarnótt and lasting three nights belongs to one retrospective tradition. Christian thirteen-day structures belong to later legal evidence. Neither should be used to fill the gaps in the other.
The same rule applies to customs that modern reconstruction often bundles together. The surviving evidence does not establish one transhistorical Jól package containing sacrifice, vows, boar rites, gifts, particular gods, fixed foods, a required hosting pattern, or a standardized sequence of ritual actions.
The safest principle is straightforward:
Evidence from one historical setting should not be used to manufacture missing evidence for another.
Comparison can reveal similarity, difference, and possible continuity. It cannot turn a later Christian custom into a pagan one, or a source-specific pagan tradition into a universal feature of medieval Jól.
Continuity of Practice Is Not Continuity of Meaning
The comparison across conversion ultimately comes down to a simple distinction: the persistence of an activity does not prove the persistence of its meaning.
Drinking makes this especially clear. It is associated with Jól in early evidence and remains prominent in Christian medieval Jól. Yet the sources do not allow us to treat pagan drinking, Christian festival drinking, ordinary social drinking, and blótdrykkjur as interchangeable categories. Similar outward behavior can belong to very different religious and social frameworks.
The same caution applies to feasting, hospitality, gifts, visiting, and other social practices. Even where a custom may genuinely have older roots, its role within Jól could change as the surrounding religious, legal, calendrical, and political world changed.
This means that continuity should be described at the level the evidence actually permits. We may be able to show continuity of a name, an activity, or a seasonal association without being able to show continuity of ritual purpose, theological meaning, legal status, or social function.
Conversely, change in religious framework does not require us to imagine complete cultural rupture. Christian Jól could contain familiar seasonal behaviors while placing them within a distinctly Christian holy period. Transformation and continuity can therefore occur at the same time. The Sigurðr Þórisson narrative is particularly useful here because it juxtaposes pre-conversion seasonal blót with post-conversion feasting that includes a winter jólaboð, while still keeping the religious terminology distinct.
The most responsible conclusion is not that Christian Jól was either an entirely new festival or simply pagan Jól wearing Christian clothing. The evidence supports something more complicated:
Jól persisted, some activities remained associated with it, other structures are securely visible only in Christian forms, and the meanings attached to familiar practices could change across conversion.
That is why similarity must be demonstrated rather than assumed, and why continuity should always be stated at the level actually supported by the evidence.
What We Can Say Across the Conversion Boundary
Taken together, the evidence gives us a layered picture rather than a single story of either survival or replacement.
| Feature | Across Conversion |
|---|---|
| The name Jól | Clear linguistic continuity. |
| Drinking | Securely attested both before and after conversion, but not necessarily with the same ritual or religious meaning. |
| Feasting and social gathering | Strongly represented in medieval Jól and present in some retrospective pagan settings; continuity is historically plausible but not directly demonstrated. |
| Hospitality and visiting | Strong Christian medieval evidence; possible older continuity, but not securely demonstrated by early evidence. |
| Gift-giving | Well attested in medieval Jól, including personal and diplomatic exchange; continuity into the pagan period cannot simply be assumed. |
| Preparation and provisioning | Strongly visible in Christian medieval evidence; possible earlier relevance, but not securely established as a continuous Jól custom. |
| Extended and numbered Jól days | Securely Christian medieval forms. They should not be projected backward into pre-Christian Jól. |
| Blót and ritual drinking | Present in particular retrospective representations of pagan Jól, but not universal and not equivalent to ordinary Jól drinking. |
| Vows, sónargǫltr, and bragarfull | Source-specific literary traditions, not evidence for a universal practice continuing across conversion. |
| Divine associations | Uneven and tradition-specific; no universal Jól deity or stable divine package can be traced across the period. |
| One fixed ritual sequence | Not established for either pre-Christian or Christian Jól. |
The most important result is therefore not a list of customs that either “survived” or “disappeared.” It is the recognition that different parts of Jól have different histories.
Some things can be traced with considerable confidence. Others are only visible in later forms. Some may genuinely be old but cannot be proven to cross the conversion boundary. Still others belong to particular stories, textual traditions, or historical settings and should never be expanded into universal custom.
That leaves us with a Jól that is neither timeless nor completely reinvented. It is a festival whose name persists, whose practices can overlap across periods, and whose meanings and structures could change substantially over time.
The governing rule remains the same throughout:
Reconstruct what the evidence permits, not what the reconstruction requires.