{"id":"vidhyamitra:city-day:vrindavan:2118-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2118-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2118-12-18","date_display":"December 18, 2118 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":2118,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2494994.770833,"kali_year":5220,"ahargana":1906529.2708,"sun":{"sidereal_longitude":239.6017,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":305.8456,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.2439,"elapsed_within_tithi_degrees":6.2439},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":305.8456,"elapsed_within_degrees":12.5123},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.4473},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":2118,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2494994.770833,"ahargana":1906529.2708,"kali_year":5220,"ayanamsa_lahiri":25.5148,"grahas":{"sun":{"sidereal_longitude":240.26231000000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":308.92130999999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false,"latitude":-1.3188},"mars":{"sidereal_longitude":84.46880999999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":228.97971000000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":13.935709999999972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":259.43571,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":33.81160999999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":322.9044,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":142.9044,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"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":2118,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2494994.770833,"kali_year":5220,"ahargana":1906529.2708,"sun":{"sidereal_longitude":239.6017,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":305.8456,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.2439,"elapsed_within_tithi_degrees":6.2439},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4,"moon_longitude":305.8456,"elapsed_within_degrees":12.5123},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.4473},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.319,"elongation":66.244},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.319,"opposition_distance":113.756}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:05","sunsetLocal":"17:29","solarNoonLocal":"12:17","dayLengthHours":10.401697507716513,"dayLengthDisplay":"10 Hours 24 Mins 06 Secs","nightLengthDisplay":"13 Hours 35 Mins 54 Secs","moonriseLocal":"11:09","moonsetLocal":"22:33","rahuKala":{"name":"Rāhu Kāla","start":"16:11","end":"17:29","startHours":16.176887776258006,"endHours":17.47709996472257,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:17","end":"13:35","startHours":12.276251210864313,"endHours":13.576463399328878,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:53","end":"16:11","startHours":14.876675587793443,"endHours":16.176887776258006,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:51","startHours":9.502465208806576,"endHours":9.849188459063795,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:31","end":"07:47","startHours":7.508806519827579,"endHours":7.786185120033353,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:56","end":"12:37","startHours":11.929527960607096,"endHours":12.62297446112153,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:23","startHours":5.688509455977189,"endHours":6.381955956491623,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:13","end":"07:05","startHours":6.208594331363015,"endHours":7.075402457006057,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:01","end":"14:42","startHours":14.0098674621504,"endHours":14.703313962664835,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:17","end":"17:41","startHours":17.27709996472257,"endHours":17.67709996472257,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:29","end":"17:55","startHours":17.47709996472257,"endHours":17.91050402754409,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:14","end":"18:59","startHours":17.22709996472257,"endHours":18.97709996472257,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:56","end":"00:37","startHours":23.929527960607096,"endHours":24.62297446112153,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:05","end":"08:23","startHours":7.075402457006057,"endHours":8.375614645470622,"quality":"inauspicious"},{"name":"Chala","start":"08:23","end":"09:41","startHours":8.375614645470622,"endHours":9.675826833935186,"quality":"neutral"},{"name":"Labha","start":"09:41","end":"10:59","startHours":9.675826833935186,"endHours":10.97603902239975,"quality":"auspicious"},{"name":"Amṛta","start":"10:59","end":"12:17","startHours":10.97603902239975,"endHours":12.276251210864313,"quality":"auspicious"},{"name":"Kāla","start":"12:17","end":"13:35","startHours":12.276251210864313,"endHours":13.576463399328878,"quality":"inauspicious"},{"name":"Śubha","start":"13:35","end":"14:53","startHours":13.576463399328878,"endHours":14.876675587793443,"quality":"auspicious"},{"name":"Roga","start":"14:53","end":"16:11","startHours":14.876675587793443,"endHours":16.176887776258006,"quality":"inauspicious"},{"name":"Udveg","start":"16:11","end":"17:29","startHours":16.176887776258006,"endHours":17.47709996472257,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:29","end":"19:11","startHours":17.47709996472257,"endHours":19.176887776258006,"quality":"auspicious"},{"name":"Roga","start":"19:11","end":"20:53","startHours":19.176887776258006,"endHours":20.876675587793443,"quality":"inauspicious"},{"name":"Udveg","start":"20:53","end":"22:35","startHours":20.876675587793443,"endHours":22.576463399328876,"quality":"inauspicious"},{"name":"Chala","start":"22:35","end":"00:17","startHours":22.576463399328876,"endHours":24.276251210864313,"quality":"neutral"},{"name":"Labha","start":"00:17","end":"01:59","startHours":24.276251210864313,"endHours":25.97603902239975,"quality":"auspicious"},{"name":"Amṛta","start":"01:59","end":"03:41","startHours":25.97603902239975,"endHours":27.675826833935183,"quality":"auspicious"},{"name":"Kāla","start":"03:41","end":"05:23","startHours":27.675826833935183,"endHours":29.37561464547062,"quality":"inauspicious"},{"name":"Śubha","start":"05:23","end":"07:05","startHours":29.37561464547062,"endHours":31.075402457006057,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.075402457006057,"endHours":8.075402457006057,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.075402457006057,"endHours":9.075402457006057,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.075402457006057,"endHours":10.075402457006057,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.075402457006057,"endHours":11.075402457006057,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.075402457006057,"endHours":12.075402457006057,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.075402457006057,"endHours":13.075402457006057,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.075402457006057,"endHours":14.075402457006057,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.075402457006057,"endHours":15.075402457006057,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.075402457006057,"endHours":16.075402457006057,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.075402457006057,"endHours":17.075402457006057,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.075402457006057,"endHours":18.075402457006057,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.075402457006057,"endHours":19.075402457006057,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.075402457006057,"endHours":20.075402457006057,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.075402457006057,"endHours":21.075402457006057,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.075402457006057,"endHours":22.075402457006057,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.075402457006057,"endHours":23.075402457006057,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.075402457006057,"endHours":24.075402457006057,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.075402457006057,"endHours":25.075402457006057,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.075402457006057,"endHours":26.075402457006057,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.075402457006057,"endHours":27.075402457006057,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.075402457006057,"endHours":28.075402457006057,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.075402457006057,"endHours":29.075402457006057,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.075402457006057,"endHours":30.075402457006057,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.075402457006057,"endHours":31.075402457006057,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.369086954500148,"eotMinutes":2.787727348141232,"ayanamsa":25.5148}},"calendars":{"vikram_samvat":2175,"vikram_samvatsara":"Khara","saka_samvat":2040,"saka_samvatsara":"Bahudhānya","bengali_samvat":1525,"malayalam_era":1294,"nanakshahi_year":649,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Ṣaṣṭhī · Vikram 2175 Khara · Śaka 2040 Bahudhānya"},"festivals":[{"id":"skanda-shashthi","name":"Skanda Ṣaṣṭhī","name_sanskrit":"स्कन्द षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya / Skanda / Murugan","significance":"Kārttikeya's victory over Tāraka. Important Shaiva day in Tamil tradition.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi_ingress":"Dhanu"},"precedence":5}],"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":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 18, 2118 CE · Vṛndāvana · Vidhyamitra","description":"December 18, 2118 CE for Vṛndāvana: Śukla Ṣaṣṭhī, sūryodaya 07:05, sūryāsta 17:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2118-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2118-12-18","sa":"https://sa.vidhyamitra.com/city/vrindavan/2118-12-18","hi":"https://hi.vidhyamitra.com/city/vrindavan/2118-12-18","x-default":"https://vidhyamitra.com/city/vrindavan/2118-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:22:29.500Z","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":"2026-06-02T13:22:29.500Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:22:29.500Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}