{"id":"vidhyamitra:city-day:jammu:1981-02-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/jammu/1981-02-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-02-08","date_display":"February 8, 1981 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444643.770833,"kali_year":5082,"ahargana":1856178.2708,"sun":{"sidereal_longitude":295.7134,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":334.8142,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.1009,"elapsed_within_tithi_degrees":3.1009},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.8142,"elapsed_within_degrees":1.4809},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5276},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1981,"month":2,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444643.770833,"ahargana":1856178.2708,"kali_year":5082,"ayanamsa_lahiri":23.5891,"grahas":{"sun":{"sidereal_longitude":295.606588,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":336.381988,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-3.1283},"mars":{"sidereal_longitude":307.57178799999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":311.62708799999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":166.534988,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":281.43728799999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":165.60628799999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":110.7427,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":290.7427,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444643.770833,"kali_year":5082,"ahargana":1856178.2708,"sun":{"sidereal_longitude":295.7134,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":334.8142,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.1009,"elapsed_within_tithi_degrees":3.1009},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":334.8142,"elapsed_within_degrees":1.4809},"yoga":{"number":21,"name":"Siddha","sum_longitude":270.5276},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.128,"elongation":39.101},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.128,"opposition_distance":140.899}},"eclipse_window_40days":[{"offset_days":-19,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"city":{"slug":"jammu","name":"Jammu, J&K","lat":32.7266,"lon":74.857,"tz_offset_hours":5.5,"state":"J&K","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"jammu","name":"Jammu, J&K","lat":32.7266,"lon":74.857,"tz_offset_hours":5.5,"state":"J&K","country":"IN","tier":"tier-1"},"sunriseLocal":"07:21","sunsetLocal":"18:09","solarNoonLocal":"12:45","dayLengthHours":10.810495027418355,"dayLengthDisplay":"10 Hours 48 Mins 38 Secs","nightLengthDisplay":"13 Hours 11 Mins 22 Secs","moonriseLocal":"09:25","moonsetLocal":"21:31","rahuKala":{"name":"Rāhu Kāla","start":"16:48","end":"18:09","startHours":16.804251869959582,"endHours":18.15556374838688,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:45","end":"14:06","startHours":12.750316234677701,"endHours":14.101628113104994,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:27","end":"16:48","startHours":15.45293999153229,"endHours":16.804251869959582,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:14","startHours":9.867517560699472,"endHours":10.22786739494675,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:48","end":"08:05","startHours":7.79550601377762,"endHours":8.083785881175443,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:23","end":"13:07","startHours":12.389966400430422,"endHours":13.11066606892498,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:37","startHours":5.903669383979409,"endHours":6.624369052473965,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:27","end":"07:21","startHours":6.444194135350326,"endHours":7.345068720968523,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:16","startHours":14.552065405914092,"endHours":15.27276507440865,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.95556374838688,"endHours":18.355563748386878,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:36","startHours":18.15556374838688,"endHours":18.606001041195977,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.90556374838688,"endHours":19.65556374838688,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:23","end":"01:07","startHours":24.389966400430424,"endHours":25.110666068924978,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:21","end":"08:42","startHours":7.345068720968523,"endHours":8.696380599395816,"quality":"inauspicious"},{"name":"Chala","start":"08:42","end":"10:03","startHours":8.696380599395816,"endHours":10.047692477823112,"quality":"neutral"},{"name":"Labha","start":"10:03","end":"11:24","startHours":10.047692477823112,"endHours":11.399004356250405,"quality":"auspicious"},{"name":"Amṛta","start":"11:24","end":"12:45","startHours":11.399004356250405,"endHours":12.750316234677701,"quality":"auspicious"},{"name":"Kāla","start":"12:45","end":"14:06","startHours":12.750316234677701,"endHours":14.101628113104994,"quality":"inauspicious"},{"name":"Śubha","start":"14:06","end":"15:27","startHours":14.101628113104994,"endHours":15.45293999153229,"quality":"auspicious"},{"name":"Roga","start":"15:27","end":"16:48","startHours":15.45293999153229,"endHours":16.804251869959582,"quality":"inauspicious"},{"name":"Udveg","start":"16:48","end":"18:09","startHours":16.804251869959582,"endHours":18.15556374838688,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:09","end":"19:48","startHours":18.15556374838688,"endHours":19.804251869959586,"quality":"auspicious"},{"name":"Roga","start":"19:48","end":"21:27","startHours":19.804251869959586,"endHours":21.45293999153229,"quality":"inauspicious"},{"name":"Udveg","start":"21:27","end":"23:06","startHours":21.45293999153229,"endHours":23.101628113104994,"quality":"inauspicious"},{"name":"Chala","start":"23:06","end":"00:45","startHours":23.101628113104994,"endHours":24.7503162346777,"quality":"neutral"},{"name":"Labha","start":"00:45","end":"02:24","startHours":24.7503162346777,"endHours":26.39900435625041,"quality":"auspicious"},{"name":"Amṛta","start":"02:24","end":"04:03","startHours":26.39900435625041,"endHours":28.047692477823112,"quality":"auspicious"},{"name":"Kāla","start":"04:03","end":"05:42","startHours":28.047692477823112,"endHours":29.696380599395816,"quality":"inauspicious"},{"name":"Śubha","start":"05:42","end":"07:21","startHours":29.696380599395816,"endHours":31.345068720968523,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:21","end":"08:21","startHours":7.345068720968523,"endHours":8.345068720968523,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:21","end":"09:21","startHours":8.345068720968523,"endHours":9.345068720968523,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:21","end":"10:21","startHours":9.345068720968523,"endHours":10.345068720968523,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:21","end":"11:21","startHours":10.345068720968523,"endHours":11.345068720968523,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:21","end":"12:21","startHours":11.345068720968523,"endHours":12.345068720968523,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:21","end":"13:21","startHours":12.345068720968523,"endHours":13.345068720968523,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:21","end":"14:21","startHours":13.345068720968523,"endHours":14.345068720968523,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:21","end":"15:21","startHours":14.345068720968523,"endHours":15.345068720968523,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:21","end":"16:21","startHours":15.345068720968523,"endHours":16.345068720968523,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:21","end":"17:21","startHours":16.345068720968523,"endHours":17.345068720968523,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:21","end":"18:21","startHours":17.345068720968523,"endHours":18.345068720968523,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:21","end":"19:21","startHours":18.345068720968523,"endHours":19.345068720968523,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:21","end":"20:21","startHours":19.345068720968523,"endHours":20.345068720968523,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:21","end":"21:21","startHours":20.345068720968523,"endHours":21.345068720968523,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:21","end":"22:21","startHours":21.345068720968523,"endHours":22.345068720968523,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:21","end":"23:21","startHours":22.345068720968523,"endHours":23.345068720968523,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:21","end":"00:21","startHours":23.345068720968523,"endHours":24.345068720968523,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:21","end":"01:21","startHours":24.345068720968523,"endHours":25.345068720968523,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:21","end":"02:21","startHours":25.345068720968523,"endHours":26.345068720968523,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:21","end":"03:21","startHours":26.345068720968523,"endHours":27.345068720968523,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:21","end":"04:21","startHours":27.345068720968523,"endHours":28.345068720968523,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:21","end":"05:21","startHours":28.345068720968523,"endHours":29.345068720968523,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:21","end":"06:21","startHours":29.345068720968523,"endHours":30.345068720968523,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:21","end":"07:21","startHours":30.345068720968523,"endHours":31.345068720968523,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.064677029680697,"eotMinutes":-14.446974080661976,"ayanamsa":23.5891}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturthī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"jammu"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga February 8, 1981 CE · Jammu, J&K · Vidhyamitra","description":"February 8, 1981 CE for Jammu, J&K: Śukla Caturthī, sūryodaya 07:21, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/jammu/1981-02-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/jammu/1981-02-08","sa":"https://sa.vidhyamitra.com/city/jammu/1981-02-08","hi":"https://hi.vidhyamitra.com/city/jammu/1981-02-08","x-default":"https://vidhyamitra.com/city/jammu/1981-02-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:23:39.108Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-02T13:23:39.108Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:23:39.108Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}